TY  - BOOK
AU  - Mackinnon,D.M., x
AU  - x
TI  - A study in ethical theory: x
SN  - x 
U1  - 171/MAS 
PY  - 1962///
CY  - N. Y
PB  - Collier Books
KW  - Ethics, Theory Of
KW  - Philosophy
ER  -